.rpc-wrap{
  --rpc-bg:#f5f7fb;
  --rpc-surface:#ffffff;
  --rpc-text:#172033;
  --rpc-muted:#63708a;
  --rpc-line:#e6ebf3;
  --rpc-primary:#1f4b99;
  --rpc-primary-2:#3d73d8;
  --rpc-accent:#ecf3ff;
  --rpc-shadow:0 12px 35px rgba(17,30,64,.08);
  font-family:inherit;
  color:var(--rpc-text);
}
.rpc-shell{background:var(--rpc-bg);border:1px solid var(--rpc-line);border-radius:28px;padding:24px;box-shadow:var(--rpc-shadow)}
.rpc-header{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap}
.rpc-badge{display:inline-flex;background:var(--rpc-accent);color:var(--rpc-primary);padding:7px 12px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:10px}
.rpc-header h2{margin:0 0 8px;font-size:29px;line-height:1.2;color:var(--rpc-text)}
.rpc-header p{margin:0;color:var(--rpc-muted);font-size:15px}
.rpc-actions{display:flex;gap:10px;flex-wrap:wrap}
.rpc-btn{border:0;border-radius:14px;padding:12px 18px;font-size:14px;font-weight:700;cursor:pointer;transition:.2s ease all}
.rpc-btn-primary{background:linear-gradient(135deg,var(--rpc-primary),var(--rpc-primary-2));color:#fff;box-shadow:0 8px 16px rgba(31,75,153,.18)}
.rpc-btn-light{background:#fff;color:var(--rpc-text);border:1px solid var(--rpc-line)}
.rpc-btn:hover{transform:translateY(-1px)}
.rpc-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;margin-bottom:18px}
.rpc-card{background:var(--rpc-surface);border:1px solid var(--rpc-line);border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(13,28,61,.04)}
.rpc-card-head{margin-bottom:16px}
.rpc-card-head h3{margin:0 0 8px;font-size:20px}
.rpc-card-head p{margin:0;color:var(--rpc-muted);font-size:14px;line-height:1.7}
.rpc-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.rpc-field{display:flex;flex-direction:column;gap:8px}
.rpc-field span{font-size:13px;font-weight:700;color:var(--rpc-text)}
.rpc-field input{height:50px;border:1px solid var(--rpc-line);background:#fbfcfe;border-radius:15px;padding:0 14px;font-size:15px;color:var(--rpc-text);outline:none;transition:.2s ease all}
.rpc-field input:focus{border-color:#a9c2f3;box-shadow:0 0 0 4px rgba(61,115,216,.08);background:#fff}
.rpc-note{margin-top:16px;background:#f8fbff;border:1px dashed #cfdcf2;border-radius:18px;padding:14px;font-size:13px;line-height:1.9;color:#42506a}
.rpc-summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.rpc-stat{background:#f8fbff;border:1px solid var(--rpc-line);border-radius:18px;padding:14px}
.rpc-stat span{display:block;color:var(--rpc-muted);font-size:13px;margin-bottom:8px}
.rpc-stat strong{font-size:18px;line-height:1.4}
.rpc-highlight{margin-top:14px;background:linear-gradient(135deg,#eff5ff,#fbfdff);border:1px solid #dce8ff;border-radius:18px;padding:15px;line-height:1.9;color:#264065}

.rpc-taxbox{margin-top:14px;background:#fff8ee;border:1px solid #f3d3a7;border-radius:18px;padding:15px}
.rpc-taxbox-title{font-size:14px;font-weight:800;color:#7b4c12;margin-bottom:12px}
.rpc-tax-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.rpc-tax-item{border-radius:15px;padding:13px 14px;border:1px solid transparent}
.rpc-tax-item span{display:block;font-size:12px;margin-bottom:7px;opacity:.8}
.rpc-tax-item strong{display:block;font-size:17px;line-height:1.4}
.rpc-tax-supplier{background:#fff4f0;border-color:#f2c9bd;color:#8d3b26}
.rpc-tax-reihan{background:#fffbe8;border-color:#ebd98a;color:#705f10}
.rpc-taxbox small{display:block;margin-top:10px;color:#8a6c42;line-height:1.7}
.rpc-table-wrap{overflow:auto}
.rpc-table{width:100%;border-collapse:separate;border-spacing:0;min-width:980px}
.rpc-table thead th{position:sticky;top:0;background:#f7f9fd;color:#3d4a63;font-size:13px;font-weight:800;padding:14px 12px;border-bottom:1px solid var(--rpc-line);white-space:nowrap}
.rpc-table tbody td{padding:16px 12px;border-bottom:1px solid #edf1f7;font-size:14px;white-space:nowrap}
.rpc-table tbody tr:nth-child(odd){background:#fcfdff}
.rpc-table tbody tr:hover{background:#f5f9ff}
.rpc-pos{color:#087443;font-weight:700}
.rpc-neg{color:#bc2545;font-weight:700}
.rpc-formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.rpc-formula-grid>div{background:#fbfcff;border:1px solid var(--rpc-line);border-radius:18px;padding:16px}
.rpc-formula-grid h4{margin:0 0 8px;font-size:16px}
.rpc-formula-grid p{margin:0 0 8px;font-size:13px;line-height:1.8;color:#4e5b73}
@media (max-width: 980px){
  .rpc-grid{grid-template-columns:1fr}
  .rpc-form-grid,.rpc-summary-grid,.rpc-formula-grid,.rpc-tax-grid{grid-template-columns:1fr}
  .rpc-shell{padding:16px;border-radius:20px}
  .rpc-header h2{font-size:24px}
}
@media print{
  .rpc-btn,.rpc-actions{display:none!important}
  .rpc-shell{box-shadow:none;border:0;padding:0;background:#fff}
  .rpc-card{box-shadow:none;break-inside:avoid}
}

/* v1.0.2 - full width table, optional tax columns, billable waste */
.rpc-wrap{
  width:calc(100vw - 32px);
  max-width:none;
  margin-inline:calc(50% - 50vw + 16px);
}
.rpc-results{overflow:hidden}
.rpc-table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.rpc-table{min-width:1280px}
.rpc-tax-cell{font-weight:700}
.rpc-tax-cell-supplier{background:#fff7f3;color:#93462f}
.rpc-tax-cell-reihan{background:#fffbea;color:#766413}
.rpc-waste-badge{display:inline-flex;margin-inline-start:6px;padding:3px 7px;border-radius:999px;background:#fff3df;color:#9b5c00;font-size:11px;font-weight:800;vertical-align:middle}
@media (max-width: 980px){
  .rpc-wrap{width:calc(100vw - 16px);margin-inline:calc(50% - 50vw + 8px)}
}
.rpc-field input[readonly]{
  background:#f1f4f8;
  color:#68748a;
  cursor:not-allowed;
  border-style:dashed;
}
.rpc-field input[readonly]:focus{
  box-shadow:none;
  border-color:var(--rpc-line);
  background:#f1f4f8;
}


/* v1.0.4 - optional tax formula explainer */
.rpc-tax-formula-explainer{margin-top:18px}
.rpc-tax-formula-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.rpc-tax-formula-card{border-radius:19px;padding:17px 18px;border:1px solid var(--rpc-line)}
.rpc-tax-formula-supplier{background:#fff6f2;border-color:#f0cfc4}
.rpc-tax-formula-reihan{background:#fffbea;border-color:#eadc9d}
.rpc-tax-formula-title{font-size:15px;font-weight:900;margin-bottom:10px}
.rpc-tax-formula-supplier .rpc-tax-formula-title{color:#8d3b26}
.rpc-tax-formula-reihan .rpc-tax-formula-title{color:#705f10}
.rpc-tax-formula-main{font-size:14px;line-height:2;color:#364158}
.rpc-tax-formula-main strong{font-weight:900;color:#172033}
.rpc-tax-formula-effective{margin-top:10px;padding-top:10px;border-top:1px dashed rgba(40,50,70,.15);font-size:13px;line-height:1.8;color:#526078}
.rpc-tax-formula-effective strong{font-size:16px;color:#172033}
.rpc-tax-formula-note{margin-top:13px;padding:13px 15px;border-radius:15px;background:#f7f9fc;border:1px dashed #d6deea;color:#59667c;font-size:12.5px;line-height:1.9}
@media (max-width: 980px){.rpc-tax-formula-grid{grid-template-columns:1fr}}